Physics
During uniform motion of an object along a straight line, its ________ remains constant with time.

Deceleration
Force
Acceleration
Velocity

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Physics
In total internal reflection, the light travel from

Denser to rarer medium and it occurs with no loss of intensity
Denser to rarer medium and it occurs with loss of intensity
Rarer to denser medium and it occurs with no loss of intensity
Rarer to denser medium and it occurs with loss of intensity

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